Finding the Fourth Proportional to 2,572.56, 3,548.68 and 1,577.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.56 : 3,548.68 = 1,577.48 : x
2. Step 2: Convert to fraction form
   2,572.56/3,548.68 = 1,577.48/x
3. Step 3: Cross multiply
   2,572.56x = 3,548.68 × 1,577.48
4. Step 4: Simplify right side
   2,572.56x = 5,597,950.04
5. Step 5: Solve for x
   x = 5,597,950.04/2,572.56
6. Step 6: Final answer
   x = 2,176.02